Authorities in Indonesia said that two people arrested during the protests in Jakarta were allegedly linked with the Islamic State (IS) group.

National Police spokesperson M Iqbal said the two had alleged ties to the hardline Islamic Reformist Movement (Garis,) The Jakarta Post reported. They confessed their intentions to carry out a jihad during the protests in Jakarta on May 21 and 22.

While Iqbal refused to provide further details, he did say that substantial evidence had been found to support the allegations. In addition, the two came from outside Jakarta to participate in the protests. It was unknown if they were also linked to the terror suspects arrested earlier in May.

Iqbal added that more details of the two arrested would be released after authorities find other individuals from the same group.

The group Garis has expressed their support for IS in the past and have sent fighters to Syria. Abu Baker Ba’asyir, the mastermind of the Bali bombings, was a high ranking member of Garis as well, they said.

The protests in Jakarta were led by supports of defeated candidate Prabowo Subianto and they tried to force their way into the election commission office in Jakarta. The trouble started on May 21. By Wednesday, 185 had been arrested, with an additional 257 arrested for rioting in different locations throughout the Indonesian capital.